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Thread: Solex Carb fun

  1. #1
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    Solex Carb fun

    Haven’t had any time for Sid this past year or so while I’ve been stuck working in Devonport but as I’m home for Christmas, hoping to get him up and running.

    So far so good, quick battery charge and he started first click. Now the issues

    Stopping the banjo fitting from leaking on the Solex carb, new fibre washers installed but can’t get it to stay tight. Always seems to be 1/4 turn loose and dripping. Quick tighten and all fine, until a few weeks later.

    Suggestions welcome!!

  2. #2
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    I reckon due to having been over tightened, the part indicated "flared" and is now leaking.
    .W.
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  3. #3
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    Quote Originally Posted by B.S.F. View Post
    I reckon due to having been over tightened, the part indicated "flared" and is now leaking.
    .W.
    thanks, not that bit... I found a NOS lid for the Solex so that is brand new. the leak is from the bolt end of the banjo fitting, the bolt itself is not staying tight

    Wondering if a bit of wear in the banjo bolt... some locktight maybe, can't find original new bolts or banjo's...

    Managed to find an original fuel pipe from pump to carb, that while expensive, fits so well and doesn't rely on jubilee clips or the like.

    At thsi poitn I am really not confident about taking him on the road as the first sign of trouble will be flames

  4. #4
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    Are you using the correct parts ?
    .W.
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  5. #5
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    Quote Originally Posted by B.S.F. View Post
    Are you using the correct parts ?
    .W.
    err... yes, quite sure....

    are you reading the posts correctly..... just checking

  6. #6
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    Quote Originally Posted by Cadas View Post
    Haven’t had any time for Sid this past year or so while I’ve been stuck working in Devonport but as I’m home for Christmas, hoping to get him up and running.

    So far so good, quick battery charge and he started first click. Now the issues

    Stopping the banjo fitting from leaking on the Solex carb, new fibre washers installed but can’t get it to stay tight. Always seems to be 1/4 turn loose and dripping. Quick tighten and all fine, until a few weeks later.

    Suggestions welcome!!
    Are they not supposed to be copper washers?
    If you don't like trucks, stop buying stuff.
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  7. #7
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    Quote Originally Posted by Cadas View Post
    thanks, not that bit... I found a NOS lid for the Solex so that is brand new. the leak is from the bolt end of the banjo fitting, the bolt itself is not staying tight

    Wondering if a bit of wear in the banjo bolt... some locktight maybe, can't find original new bolts or banjo's...

    Managed to find an original fuel pipe from pump to carb, that while expensive, fits so well and doesn't rely on jubilee clips or the like.

    At thsi poitn I am really not confident about taking him on the road as the first sign of trouble will be flames
    I'm sorry, I do not speculate, I only write from personal experience.
    .W.

  8. #8
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    Quote Originally Posted by Cadas View Post

    are you reading the posts correctly..... just checking
    I'm reading and what B.S.F. posted makes sense......

    You say it's leaking from the end of the hollow bolt (?) so is the hollow bolt suspect ?
    Is the hollow bolt too long maybe or is the banjo too thin so the hollow bolt is bottoming out in the carb body ? Problem is you say it works loose so that doesn't make sense.
    Is the hollow bolt fractured ? Fibre washers compressing & relaxing ??

    Interested to hear what fixes the problem.


    Colin
    '56 Series 1 with homemade welder
    '65 Series IIa Dormobile
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    Motorcycles :-
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